/Engine/Source/Runtime/Engine/Classes/DeviceProfiles/DeviceProfileManager.h
Walk the device profile/fragment chain to get the final set ot CVars in a unified way
static [TMap](API\Runtime\Core\Containers\TMap)< [FName](API\Runtime\Core\UObject\FName), [FString](API\Runtime\Core\Containers\FString) > GatherDeviceProfileCVars ( const [FString](API\Runtime\Core\Containers\FString) & DeviceProfileName, [EDeviceProfileMode](API\Runtime\Engine\DeviceProfiles\UDeviceProfileManager\EDeviceProfileMode) GatherMode )